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Unified Diff: third_party/polymer/components/core-shared-lib/core-shared-lib.html

Issue 592603004: Revert "Polymer elements added to third_party/polymer." (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 3 months ago
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Index: third_party/polymer/components/core-shared-lib/core-shared-lib.html
diff --git a/third_party/polymer/components/core-shared-lib/core-shared-lib.html b/third_party/polymer/components/core-shared-lib/core-shared-lib.html
deleted file mode 100644
index 45ae603c95e13e940b2df807dcfb33ccf3ee9681..0000000000000000000000000000000000000000
--- a/third_party/polymer/components/core-shared-lib/core-shared-lib.html
+++ /dev/null
@@ -1,151 +0,0 @@
-<!--
-Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-<link rel="import" href="../polymer/polymer.html">
-
-<!--
-Supports sharing a JSONP-based JavaScript library.
-
- <core-shared-lib on-core-shared-lib-load="{{load}}" url="https://apis.google.com/js/plusone.js?onload=%%callback%%">
-
-Multiple components can request a library using a `core-shared-lib` component and only one copy of that library will
-loaded from the network.
-
-Currently, the library must support JSONP to work as a shared-lib.
-
-Some libraries require a specific global function be defined. If this is the case, specify the `callbackName` property.
-
-Where possible, you should use an HTML Import to load library dependencies. Rather than using this element,
-create an import (`<link rel="import" href="lib.html">`) that wraps loading the .js file:
-
-lib.html:
-
- <script src="lib.js"></script>
-
-@group Polymer Core Elements
-@element core-shared-lib
--->
-<polymer-element name="core-shared-lib" attributes="url notifyEvent callbackName">
-<script>
-(function() {
-
- Polymer({
-
- notifyEvent: 'core-shared-lib-load',
-
- ready: function() {
- if (!this.url && this.defaultUrl) {
- this.url = this.defaultUrl;
- }
- },
-
- urlChanged: function() {
- require(this.url, this, this.callbackName);
- },
-
- provide: function() {
- this.async('notify');
- },
-
- notify: function() {
- this.fire(this.notifyEvent, arguments);
- }
-
- });
-
- var apiMap = {};
-
- function require(url, notifiee, callbackName) {
- // make hashable string form url
- var name = nameFromUrl(url);
- // lookup existing loader instance
- var loader = apiMap[name];
- // create a loader as needed
- if (!loader) {
- loader = apiMap[name] = new Loader(name, url, callbackName);
- }
- loader.requestNotify(notifiee);
- }
-
- function nameFromUrl(url) {
- return url.replace(/[\:\/\%\?\&\.\=\-]/g, '_') + '_api';
- }
-
- var Loader = function(name, url, callbackName) {
- this.instances = [];
- this.callbackName = callbackName;
- if (this.callbackName) {
- window[this.callbackName] = this.success.bind(this);
- } else {
- if (url.indexOf(this.callbackMacro) >= 0) {
- this.callbackName = name + '_loaded';
- window[this.callbackName] = this.success.bind(this);
- url = url.replace(this.callbackMacro, this.callbackName);
- } else {
- // TODO(sjmiles): we should probably fallback to listening to script.load
- throw 'core-shared-api: a %%callback%% parameter is required in the API url';
- }
- }
- //
- this.addScript(url);
- };
-
- Loader.prototype = {
-
- callbackMacro: '%%callback%%',
- loaded: false,
-
- addScript: function(src) {
- var script = document.createElement('script');
- script.src = src;
- script.onerror = this.error.bind(this);
- var s = document.querySelector('script');
- s.parentNode.insertBefore(script, s);
- this.script = script;
- },
-
- removeScript: function() {
- if (this.script.parentNode) {
- this.script.parentNode.removeChild(this.script);
- }
- this.script = null;
- },
-
- error: function() {
- this.cleanup();
- },
-
- success: function() {
- this.loaded = true;
- this.cleanup();
- this.result = Array.prototype.slice.call(arguments);
- this.instances.forEach(this.provide, this);
- this.instances = null;
- },
-
- cleanup: function() {
- delete window[this.callbackName];
- },
-
- provide: function(instance) {
- instance.notify(instance, this.result);
- },
-
- requestNotify: function(instance) {
- if (this.loaded) {
- this.provide(instance);
- } else {
- this.instances.push(instance);
- }
- }
-
- };
-
-})();
-</script>
-</polymer-element>
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